短語詞組短語flowing artesian well 自噴井flowing g well 自廉flowing of well 油井的自噴non -flowing well 非自噴井no -flowing artesian well 非溢出承壓井prior to flowing the well 油井自噴之前free flowing well 不加控制的自噴井free -flowing well 暢流井 返回 flowing well